KOSUN was founded by Mr. Geng Zhonghou in Xi’an China in 1992. Now, KOSUN owns 332 employees, including 158 persons above college degree and 55 managerial personnel and professional technicians. Up to now, KOSUN has formed a strategic layout integrating three centers and two industries. The Production, R&D and Domestic Sales Center is located in Xi'an China, the Overseas Project Management Center and International Trade Center in Beijing China and the Oilfield Services and Oilfield Engineering Center in Aktobe Kazakhstan in Central Asia. The two industries are traditional oil drilling solids control equipment manufacturing industry and integrated oil & gas drilling waste management service industry respectively.